I K. E., Suprianto, 		Siti, N W., AND 		Sukmawati, N. M. S..
" Effect of Effective Microorganism-4 Probiotics in Drinking Water on Commercial Carcass Pieces of Male Bali DuckAged 8 Weeks" <em>Jurnal Peternakan Tropika</em> [Online], Volume 7 Number 2 (26 June 2019)